#!usr/bin/env python3

#扩展模块一般从 flask.ext 包导入
#from flask.ext.bootstrap import Bootstrap #这种方式是旧的
from flask_bootstrap import Bootstrap #新版本用这种方式导入扩展包
from wtforms import StringField, SubmitField
from wtforms.validators import Required
from flask_wtf import Form   #http://docs.jinkan.org/docs/flask-wtf/ 



		

